If the temperature of a wire of length 2 metre and area of cross section 1 centimetre square is increased from 0 celsius to 80 degree celsius and is not allowed to increase in length then force required for it is
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celsius and is not allowed to increase in length then force requured for it is if the temperature of a wire of length 2 metre and area of cross section 1 centimeter qauare is increased from 0 celsius to 80 degree celsius and is not allowed to increase in length then force required for it is if the temperature of a wire of length 2 meter
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Two triangular glass prisms are kept together connected through their rectangular side.Alight beam is passed through one side of the combination.will there be any dispersion? justify your answer
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